Mac Mail App Not Working. Now check to see if this fixes your safari issue. A few minor bugs like freezing of touch screen could be fixed by force rebooting the device. If the status is login failed, check with your email provider to be sure that your account is set.
If the app still won't quit. You may be able to verify that you are getting new mail via webmail, another email client or computer, or even via a mobile phone.
When you update the macos software on your mac, mail will also be updated.
Now check to see if this fixes your safari issue. It would proceed only with yosemite the only choice. We recommend before proceeding that you install this update first to see if it fixes mail which you can install by going to the mac app store and selecting “updates” at the top. Causes of mac mail not working.